diff --git a/_Sidebar.md b/_Sidebar.md
index f83704b..16ddbd3 100644
--- a/_Sidebar.md
+++ b/_Sidebar.md
@@ -3,18 +3,18 @@
 * [[Home]]
 * [[Introduction]]
 * [[QuickStart]]
-* [[Docker QuickStart]]
-* [[Canal Kafka QuickStart]]
-* [[Aliyun RDS QuickStart]]
-* [[ClientExample]]
+  * [[Docker QuickStart]]
+  * [[Canal Kafka QuickStart]]
+  * [[Aliyun RDS QuickStart]]
 * [[AdminGuide]]
+ * [[Canal prometheus]]
+* [[ClientExample]]
 * [[ClientAPI]]
 * [[DevGuide]]
-* [[BinlogChange(Mysql5.6)]]
-* [[BinlogChange(MariaDB)]]
-* [[TableMetaTSDB]]
+  * [[BinlogChange(Mysql5.6)]]
+  * [[BinlogChange(MariaDB)]]
+  * [[TableMetaTSDB]]
 * [[Performance]]
-* [[Canal prometheus]]
 * <a href="http://alibaba.github.com/canal/release.html">ReleaseNotes</a>
 * <a href="https://github.com/alibaba/canal/releases">Download</a>
 * [[FAQ]]
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